It might be possible with something like Windows Movie Maker, if you run a PC.
You might want to ask this question in the Computer Forum, or even search in there for an answer as it is more of a Computer question than a Bell question.
This is of course assuming that you are talking about pressing "play" on the Bell PVR and "record" on the DVD to get the show in the first place, as getting the files off the drive and using them is not possible, pretty sure that is what you were saying.
You might want to ask this question in the Computer Forum, or even search in there for an answer as it is more of a Computer question than a Bell question.
This is of course assuming that you are talking about pressing "play" on the Bell PVR and "record" on the DVD to get the show in the first place, as getting the files off the drive and using them is not possible, pretty sure that is what you were saying.